package top.sigetech.springcloud.service.impl;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;

import org.springframework.web.bind.annotation.PathVariable;
import top.sigetech.springcloud.dao.PaymentDao;
import top.sigetech.springcloud.entity.Payment;
import top.sigetech.springcloud.service.PaymentService;


import javax.annotation.Resource;
import java.util.concurrent.TimeUnit;

@Service
public class PaymentServiceImpl implements PaymentService {

    @Resource
    private PaymentDao paymentDao;

    @Override
    public int add(Payment payment) {
        return paymentDao.add(payment);
    }

    @Override
    public Payment getPaymentById(Long id) {
        return paymentDao.getPaymentById(id);
    }

    @Override
    public String paymentInfo_OK(Integer id) {
        return "线程池" + Thread.currentThread().getName() + "paymentInfo_OK,id" + id + "hahaha";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeoutHandler", commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "3000")
    })
    @Override
    public String paymentInfo_NotOK(Integer id) {
        // 超时 异常 等等
        int timeNumber = 5;
        try {
            TimeUnit.SECONDS.sleep(timeNumber);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池" + Thread.currentThread().getName() + "paymentInfo_Timeout,id" + id + "耗时" + timeNumber + "秒";
    }

    public String paymentInfo_TimeoutHandler(Integer id) {
        return "线程池" + Thread.currentThread().getName() + "paymentInfo_TimeoutHandler,id" + id + "o(-__-)o";
    }

    //  服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback", commandProperties = {
            // 是否开启断路器
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),
            // 请求次数
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),
            //时间窗口期
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),
            // 失败率达到多少跳闸
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60"),
    })
    @Override
    public String pyamentCircuitBreaker(Integer id) {
        if (id < 0) {
            throw new RuntimeException("Invalid");
        }
        String serialNumber = IdUtil.simpleUUID();
        return "线程池" + Thread.currentThread().getName() + "调用成功，流水号" + serialNumber;
    }

    public String paymentCircuitBreaker_fallback(Integer id) {
        return "id invalid   T-T";
    }

}
